@book{100888,
	author = {Bücher, Karl,},
	title = {Die Frauenfrage im Mittelalter},
	publisher = {Project Gutenberg,},
	year = {2019},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-08-05},
	url = {https://www.gutenberg.org/ebooks/60062}
}